Locks & Dam No. 4, Monongahela River | Locks & Dam No.4 is located on the Monongahela River approximate river mile 41.7 at the city of Charleroi. It is currently undergoing a
Mon River Lock #1
Locks & Dam No. 4, Monongahela River - YouTube
Monongahela River Locks and Dams
Monongahela River Locks and Dams
Monongahela River Locks and Dams
Monongahela River Locks & Dam No. 4, At Monongahela River mile 41.5, Monessen, Westmoreland County, PA | Library of Congress
The Ultimate Mon River Paddling Experience: Lock Through Like a Pro - Morgantown magazine
Monongahela River Locks & Dam No. 3, At Monongahela River mile 23.8, Elizabeth, Allegheny County, PA | Library of Congress
Column #146
Monongahela River Locks and Dams
Unlock Special View of Pittsburgh for a Limited Time | Pittsburgh Magazine
![DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 16 of 49]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2307/7939673/1000w_q95.jpg "DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 16 of 49]")
DVIDS - Images - Helicopter flight over Pittsburgh District locks, dams, reservoirs [Image 16 of 49]
File:Opekiska Lock and Dam Monongahela.jpg - Wikipedia
Top 10 Attractions on the Mon River Trails (Sojourner's Guide)
DVIDS - News - Colossal construction on Monongahela pumps out water, marking turning point in top U.S. navigation project
Charleroi Locks and Dam Facility for U.S. Army Corps of Engineers | DLZ
Monongahela River Navigation System | Heberling Associates Inc.
Corps of Engineers awards contract for Monongahela River Locks and Dam 3 removal > Pittsburgh District > News Releases
Mon River Lock #1
Monongahela River Locks and Dams
Historical commission recognizes Elizabeth lock and dam | TribLIVE.com
Monongahela River Locks and Dams
